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Finding the Third Proportional to 14,262 and 31,323

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Solution

The third proportional to 14,262 and 31,323 is: 68,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262 : 31,323 = 31,323 : x
  2. Step 2: Convert to fraction form
    14,262/31,323 = 31,323/x
  3. Step 3: Cross multiply
    14,262x = 31,323 × 31,323
  4. Step 4: Simplify right side
    14,262x = 981,130,329
  5. Step 5: Solve for x
    x = 981,130,329/14,262
  6. Step 6: Final answer
    x = 68,793.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.